From patchwork Thu Jul 6 17:47:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Dong, Zhanjun" X-Patchwork-Id: 13304036 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3D54DEB64D9 for ; Thu, 6 Jul 2023 17:47:13 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CA72110E486; Thu, 6 Jul 2023 17:47:11 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4E26510E483; Thu, 6 Jul 2023 17:47:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1688665629; x=1720201629; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=8EKGoFB6J0u1Xl6F2YIO8B8EFDZjRzo8QrLCi4hvoO4=; b=bSwDKzI6qHJ2YvjWnh0GvNE9Trqu0UggFoFqLLI9EW0zdrriCBkMcCs9 E5cWJAI9S/Cmjrfd3h8wjQS2kjNHoczfAYJmJYzcP0/o6bNXoQV4eHjD5 hW/q1Oryf2XAkZPqH3/B4J2XwtCZd5VdR8+CPC4KWb6EnpvUbJk2V64+p ursgGKkwMRoRJX4KHdpWUKEx0luYj93uTNnYGztnn+6R5dc/VDm6A+/u6 06K1lPQRWxas6AVZJICuwkom2IT405zW7OAskjl1Y4nTbd27enmNgQP+r AvDAo4IJXd8vMX/4gDOzAiPcKbpRexZZbgPUrKAvng8hRThN4v0LV6uWP A==; X-IronPort-AV: E=McAfee;i="6600,9927,10763"; a="344005403" X-IronPort-AV: E=Sophos;i="6.01,185,1684825200"; d="scan'208";a="344005403" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jul 2023 10:47:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10763"; a="754835608" X-IronPort-AV: E=Sophos;i="6.01,185,1684825200"; d="scan'208";a="754835608" Received: from guc-pnp-dev-box-1.fm.intel.com ([10.1.27.12]) by orsmga001.jf.intel.com with ESMTP; 06 Jul 2023 10:47:07 -0700 From: Zhanjun Dong To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Thu, 6 Jul 2023 10:47:04 -0700 Message-Id: <20230706174704.177929-1-zhanjun.dong@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] drm/i915/mtl: Update cache coherency setting for context structure X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" As context structure is shared memory for CPU/GPU, Wa_22016122933 is needed for this memory block as well. Signed-off-by: Zhanjun Dong CC: Fei Yang Reviewed-by: Fei Yang --- drivers/gpu/drm/i915/gt/intel_lrc.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index a4ec20aaafe2..1b710102390b 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -1092,8 +1092,15 @@ __lrc_alloc_state(struct intel_context *ce, struct intel_engine_cs *engine) obj = i915_gem_object_create_lmem(engine->i915, context_size, I915_BO_ALLOC_PM_VOLATILE); - if (IS_ERR(obj)) + if (IS_ERR(obj)) { obj = i915_gem_object_create_shmem(engine->i915, context_size); + /* + * Wa_22016122933: For MTL the shared memory needs to be mapped + * as WC on CPU side and UC (PAT index 2) on GPU side + */ + if (IS_METEORLAKE(engine->i915)) + i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE); + } if (IS_ERR(obj)) return ERR_CAST(obj);